Model Foxboro FEM100 Type Fieldbus Electronic Module (FOUNDATION™ Fieldbus H1) Compatibility Foxboro I/A Series DCS (requires FMM chassis or compatible fieldbase) Protocol Support FOUNDATION™ Fieldbus H1 (IEC 61158-2) Number of Channels Typically 1 or 2 Fieldbus segments per module (varies by configuration) Power Supply 24 V DC (via chassis or external fieldbus power supply) Segment Power Provides conditioned power to Fieldbus segments (e.g., 19-23 V DC) Isolation 1500 V AC (channel-to-channel and channel-to-system) Communication Speed 31.25 kbit/s (standard Fieldbus H1 rate) Max Devices per Segment Up to 16 Fieldbus devices per segment Operating Temperature 0°C to 60°C (32°F to 140°F) Redundancy Support Yes (optional redundant configuration) Diagnostics LED status indicators for power, communication, and faults Certifications ATEX, IECEx, CE (depending on installation and region)